Simulium (Obuchovia) Rubtsov, 1947

Molina, Óscar S. & Gil-Azevedo, Leonardo H., 2021, Simulium (Trichodagmia) (Diptera, Simuliidae) phylogeny revisited: the Neotropical and Afrotropical connection, European Journal of Taxonomy 773, pp. 80-119 : 103-105

publication ID	https://doi.org/ 10.5852/ejt.2021.773.1517
publication LSID	lsid:zoobank.org:pub:C69631FE-E71B-4782-8399-1AD84527DA7E
DOI	https://doi.org/10.5281/zenodo.5557603
persistent identifier	https://treatment.plazi.org/id/9D2E87F3-FFA4-8042-FDBA-FE29FBEAFC62
treatment provided by	Felipe
scientific name	Simulium (Obuchovia) Rubtsov, 1947
status

Treatment

Simulium (Obuchovia) Rubtsov, 1947 View in CoL

Figs 8 View Figs 3–15 , 44 View Figs 33–49 , 84–85 View Figs 71–90 , 103 View Figs 91–106 , 113, 126 View Figs 107–127. 107–113 , 144 View Figs 128–149 , 155 View Figs 150–157

Obuchovia Rubtsov, 1947: 90 (as subgenus of Simulium View in CoL ). Type species: Simulium albellum Rubtsov, 1947 View in CoL .

Species

Simulium adornatum ( Rubtsov, 1956) View in CoL

S. albellum Rubtsov, 1947 View in CoL

S. auricoma Meigen, 1818 View in CoL

S. biseriatum Rubtsov, 1940 View in CoL

S. brevifile ( Rubtsov, 1956) View in CoL

S. continii (Rivosecchi & Cardinali, 1975) View in CoL

S. emiliae (Rubtsov, 1976) View in CoL

S. galloprovinciale Giudicelli, 1963 View in CoL

S. ibericum Crosskey & Santos Grácio, 1985 View in CoL

S. karasuae (Panchenko, 1998) View in CoL

S. margaritae ( Rubtsov, 1956) View in CoL

S. marocanum Bouzidi & Giudicelli, 1987 View in CoL

S. popowae Rubtsov, 1940 View in CoL

S. segusinum (Couvert, 1968)

S. transcaspicum Enderlein, 1921 View in CoL

Diagnosis

Female

Scutum black to dark brown; scutal pattern present( Fig.8 View Figs 3–15 )or absent(e.g., S. auricoma , S. galloprovinciale ). Cibarium unpigmented anteromedially and unarmed. Tarsal claw without subbasal tooth. Hypoginial valves subtriangular, shorter than sternite VIII width, forwardly directed. Anal lobe subrectangular with ventral extension shorter than cercus base width.

Male

Ventral plate two times longer than wide, rectangular, not notched; lateral shoulders not projected ( Fig. 44 View Figs 33–49 ); posteromedial process absent. Gonocoxite wider than long, with base double in width than gonostylus width at their point of intersection. Gonostylus cylindrical, distinctly longer than gonocoxite, with blunt apex and without apical spurt. Parameres with both distinctly large and small accessory spines.

Pupa

Cocoon aperture upward directed, separated from substratum, not corbicular ( Figs 84–85 View Figs 71–90 ). Gills shorter than pupal body with main trunk development and totally enclosed by cocoon anterior margin; with six filaments arranged in different planes (tridimensional); filaments flexible, cylindrical, with blunt apices concolorous with rest of gill; inferior branch multibranched ( Fig. 103 View Figs 91–106 ). Thoracic trichomes simples.

Larva (last instar) Cephalic apotome spots insertion area pigmented ( Fig. 126 View Figs 107–127. 107–113 ). Postocciput not extended over the cervical sclerites.Antenna equal or shorter than labral fan stalk, without secondary annulations. Mandibles with preapical teeth shorter than apical tooth; two mandibular serrations of same (e.g., S. obuchovia , S. margaritae ) or different sizes (e.g., S. auricoma , S. ibericum ). Postgenal cleft triangular; postgenal bridge length equal or less than hypostomal length ( Fig. 144 View Figs 128–149 ). Hypostomal anterior margin straight; hypostomal teeth extended beyond anterior margin of ventral wall of hypostoma ( Fig. 155 View Figs 150–157 ); medial tooth longer than lateral teeth; lateral serrations well-developed, sharp; paralateral teeth present. Body surface glabrous. Abdomen gradually expanding posteroventrally to last segments, then abruptly contracting to circlet ( Fig. 113 View Figs 107–127. 107–113 ). Anal sclerite no encircling base of posterior proleg. Posterior portion of abdomen without sclerotized accessory plates. Without 1+1 ventral tubercles. Rectal papillae with three multi-branched lobes.

Remarks

Simulium (Obuchovia) was recovered as monophyletic and stable, based on one synapomorphy ( Fig. 1 View Fig , Table 2 View Table 2 , node 8). We therefore propose its revalidation.

Distribution

Simulium (Obuchovia) is distributed in the Palearctic Region, ranging from North Africa through southcentral and southern Europe to the eastern Mediterranean area, the Caucasus and Transcaucasus, to south-west Asia, being recorded from the following countries: Afghanistan, Algeria, Andorra, Armenia, Austria, Azerbaijan, Bulgaria, Croatia, Cyprus, Czech Republic, France, Georgia, Germany, Greece, Iran, Italy, Kazakhstan, Lebanon, Morocco, Pakistan, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Spain, Tajikistan, Turkey, Ukraine, and Uzbekistan ( Adler 2020).

Kingdom	Animalia
Phylum	Arthropoda
Class	Insecta
Order	Diptera
Family	Simuliidae
Genus	Simulium